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anonymous

  • one year ago

Find the roots (zeros) of x^3+2x^2-6x-6

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  1. welshfella
    • one year ago
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    Hint try and factor by grouping

  2. welshfella
    • one year ago
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    No that wont work

  3. welshfella
    • one year ago
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    a good idea would be to graph this one. Use the on line Desmos graphing feature

  4. welshfella
    • one year ago
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    Otherwise it would be a long winded trial and error procedure.

  5. gibbs
    • one year ago
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    welshfella are you a qualified helper?

  6. welshfella
    • one year ago
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    No

  7. welshfella
    • one year ago
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    and I don't want to be

  8. welshfella
    • one year ago
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    @Thanassi99 I drew the graph and the roots are not integers A graphical calculator or desmos is your best bet.

  9. welshfella
    • one year ago
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    now if the last number was 12 instead of 6 we would be able to find the roots easily

  10. welshfella
    • one year ago
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    try https://www.desmos.com/calculator

  11. welshfella
    • one year ago
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    just type the equation in left hand panel and it will draw the graph for you.

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